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COS question on SRX: Network control traffic and mapped queue

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  • 1.  COS question on SRX: Network control traffic and mapped queue

    Posted 08-21-2017 07:03

    Hi everybody.

     

    By defauult, what queue  does SRX use for Network control traffic? What is DSCP value set by SRX for Network control traffic by default?

     

     

    Thanks and have a  nice day!!



  • 2.  RE: COS question on SRX: Network control traffic and mapped queue
    Best Answer

     
    Posted 08-21-2017 07:23

    Outputs from SRX110H2

     

     

    lab@srxA-1> show class-of-service forwarding-class
    Forwarding class                    ID                      Queue  Policing priority    SPU priority
      best-effort                             0                       0           normal           low
      expedited-forwarding                    1                       1           normal           low
      assured-forwarding                      2                       2           normal           low
      network-control                         3                       3           normal           low
    
    lab@srxA-1> show class-of-service classifier | match "network-control|Classifier"
    Classifier: dscp-default, Code point type: dscp, Index: 7
      110000             network-control                     low
      111000             network-control                     low
    Classifier: dscp-ipv6-default, Code point type: dscp-ipv6, Index: 8
      110000             network-control                     low
      111000             network-control                     low
    Classifier: dscp-ipv6-compatibility, Code point type: dscp-ipv6, Index: 9
      110000             network-control                     low
      111000             network-control                     low
    Classifier: exp-default, Code point type: exp, Index: 10
      110                network-control                     low
      111                network-control                     high
    Classifier: ieee8021p-default, Code point type: ieee-802.1, Index: 11
      110                network-control                     low
      111                network-control                     high
    Classifier: ipprec-default, Code point type: inet-precedence, Index: 12
      110                network-control                     low
      111                network-control                     high
    Classifier: ipprec-compatibility, Code point type: inet-precedence, Index: 13
      110                network-control                     low
      111                network-control                     high
    Classifier: ieee8021ad-default, Code point type: ieee-802.1ad, Index: 41
      1100               network-control                     low
      1101               network-control                     high
      1110               network-control                     low
      1111               network-control                     high
    
    lab@srxA-1> show interfaces fe-0/0/6 extensive | find "cos transmit"
        CoS transmit queue               Bandwidth               Buffer Priority   Limit
                                  %            bps     %           usec
        0 best-effort            95       95000000    95              0      low    none
        3 network-control         5        5000000     5              0      low    none
    

     

    Answer is queue 3, DSCP values 110000 or 111000.

     

    Regards, Wojtek